From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ED718C32757 for ; Wed, 14 Aug 2019 14:49:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BFA802084F for ; Wed, 14 Aug 2019 14:49:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="mziiyfuE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728125AbfHNOtL (ORCPT ); Wed, 14 Aug 2019 10:49:11 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:37306 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725955AbfHNOtK (ORCPT ); Wed, 14 Aug 2019 10:49:10 -0400 Received: by mail-pf1-f195.google.com with SMTP id 129so6797783pfa.4; Wed, 14 Aug 2019 07:49:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version; bh=2hx+tTqvJK8Pz3h0BtvO/SZZI9UW7Kk8eC6c3WGNqRg=; b=mziiyfuE6w44lXE9EfZ/VTNnPnhIOldk/th2YGGwoFRsUBtecQe8M7+/hgaKMW65RH SaQnBBCZgW+2TdoMt3ATR4qJD+zp907Wd/EgaKlvZR0DPuG1ALrMiWycnkfPSZyySzcs D0OF0jSYL/6pDvhuUSuy0yfR9QxAtgLOyu+0Tl9N8+GjZVVecHwjoTXB1zQiXL+soY9L cfdkUOVhIf2khZYx5QohGV6aZWuUeb3NU68AhwZYYD/rGWd67RqRs90ONHRe3iWNYq65 dZ26dS8ZKEQ88X2EHoOHkayFUhaLZij5G/RmQQO2M4An8w0RBWVTWwIfrQLiFC4GdjWc BHYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version; bh=2hx+tTqvJK8Pz3h0BtvO/SZZI9UW7Kk8eC6c3WGNqRg=; b=NY+ySvpKROXIqyYeq5OaGOXcxWWy5WQBnZrNmbG/I2T6q9X2y4BGqRhA/2qHlqEpbI CZewB9er4SnhhfAK6gL/1helez/AhptzBWzUlW+yNDnx+nwjIABd7U0j9JeArFDuahVL z3rEk8Go0G56tfMTq9FfiTGDxVM5Qm5/04kL0QYrkoBYFK/ElwHWaceuh8LfGu1cBOBO YDGhgfFl07rmr5ww63//9u/1XZujPYlpNcqiEkOYeIJi6G1Gh5ph8+NxvFfuUoKtITCg 8qjvAFZD3qgLhG/zd7vk7bcPiv6L9+fUnCLSoHVEeLn+JLRS/4S9tIbWqBFXbS/3DKCV aNWQ== X-Gm-Message-State: APjAAAUDxVRzCjBa88Dhd2t5ID6l3uZbOOS5Me6JQnBQBOJTOwpPI/rH 9vU2P4g0o41RGAu26EL0BiU= X-Google-Smtp-Source: APXvYqyBWvJa15pge6AkdaHrHw/Wbcpbnns9XmwG1c9sS4MMupQ5S4mwoeWZ5x3VALxbOt4Vk1OfDg== X-Received: by 2002:a17:90a:c086:: with SMTP id o6mr185669pjs.2.1565794149710; Wed, 14 Aug 2019 07:49:09 -0700 (PDT) Received: from [172.26.122.72] ([2620:10d:c090:180::6327]) by smtp.gmail.com with ESMTPSA id l26sm142758532pgb.90.2019.08.14.07.49.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 14 Aug 2019 07:49:09 -0700 (PDT) From: "Jonathan Lemon" To: "Magnus Karlsson" Cc: bjorn.topel@intel.com, ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, brouer@redhat.com, maximmi@mellanox.com, bpf@vger.kernel.org, bruce.richardson@intel.com, ciara.loftus@intel.com, jakub.kicinski@netronome.com, xiaolong.ye@intel.com, qi.z.zhang@intel.com, sridhar.samudrala@intel.com, kevin.laatz@intel.com, ilias.apalodimas@linaro.org, kiran.patil@intel.com, axboe@kernel.dk, maciej.fijalkowski@intel.com, maciejromanfijalkowski@gmail.com, intel-wired-lan@lists.osuosl.org Subject: Re: [PATCH bpf-next v4 5/8] libbpf: add support for need_wakeup flag in AF_XDP part Date: Wed, 14 Aug 2019 07:49:07 -0700 X-Mailer: MailMate (1.12.5r5635) Message-ID: In-Reply-To: <1565767643-4908-6-git-send-email-magnus.karlsson@intel.com> References: <1565767643-4908-1-git-send-email-magnus.karlsson@intel.com> <1565767643-4908-6-git-send-email-magnus.karlsson@intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 14 Aug 2019, at 0:27, Magnus Karlsson wrote: > This commit adds support for the new need_wakeup flag in AF_XDP. The > xsk_socket__create function is updated to handle this and a new > function is introduced called xsk_ring_prod__needs_wakeup(). This > function can be used by the application to check if Rx and/or Tx > processing needs to be explicitly woken up. > > Signed-off-by: Magnus Karlsson Acked-by: Jonathan Lemon